Ultrasonic investigation of a phase transition in ZnSe:Ni
Электронный архив РГППУ
Информация об архиве | Просмотр оригинала| Поле | Значение | |
| Заглавие |
Ultrasonic investigation of a phase transition in ZnSe:Ni
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| Автор |
Gudkov, V. V.
Petrov, S. B. Lonchakov, A. T. Zhevstovskikh, I. V. Sokolov, V. I. Gruzdev, N. B. |
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| Описание |
Ultrasonic experiments on ZnSe and ZnSe:Ni crystals with impurity concentrations of 5.5×10 19 cm -3 have revealed precursor phenomena at temperatures much higher than the temperature of the structural transition (T c =14.5K). It is found that the elastic constant C 44 softens while C 11 and C 12 become stiffer as T c is approached from above; the strains associated with the order parameter are transverse deformations of the ε 4 type. A brief symmetry analysis of the possibilities of formation of a tetragonal phase is given. The Jahn-Teller effect and displacement of the charge density on the chemical bonds are discussed as probable causes of the low-temperature phase transition. © 2004 American Institute of Physics.
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| Дата |
2019-07-17T10:00:17Z
2019-07-17T10:00:17Z 2004 |
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| Тип |
Article
Journal article (info:eu-repo/semantics/article) Published version (info:eu-repo/semantics/publishedVersion) |
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| Идентификатор |
1063-777X
1090-6517 https://www.scopus.com/record/display.uri?origin=resultslist&eid=2-s2.0-22544467481 https://elar.rsvpu.ru/handle/123456789/28132 10.1063/1.1820023 22544467481 2-s2.0-22544467481 Russian State Professional-Pedagogical University, ul. Mashinostroiteleǐ 11, Ekaterinburg 620012, Russian Federation Institute of Metal Physics, Ural Division, Russian Academy of Sciences, Sofia Kovalevskaya St., 18, Ekaterinburg 620219, Russian Federation Scopus Gudkov, V.V., Russian State Professional-Pedagogical University, ul. Mashinostroiteleǐ 11, Ekaterinburg 620012, Russian Federation, Institute of Metal Physics, Ural Division, Russian Academy of Sciences, Sofia Kovalevskaya St., 18, Ekaterinburg 620219, Russian Federation Petrov, S.B., Russian State Professional-Pedagogical University, ul. Mashinostroiteleǐ 11, Ekaterinburg 620012, Russian Federation, Institute of Metal Physics, Ural Division, Russian Academy of Sciences, Sofia Kovalevskaya St., 18, Ekaterinburg 620219, Russian Federation Lonchakov, A.T., Institute of Metal Physics, Ural Division, Russian Academy of Sciences, Sofia Kovalevskaya St., 18, Ekaterinburg 620219, Russian Federation Zhevstovskikh, I.V., Institute of Metal Physics, Ural Division, Russian Academy of Sciences, Sofia Kovalevskaya St., 18, Ekaterinburg 620219, Russian Federation Sokolov, V.I., Institute of Metal Physics, Ural Division, Russian Academy of Sciences, Sofia Kovalevskaya St., 18, Ekaterinburg 620219, Russian Federation Gruzdev, N.B., Institute of Metal Physics, Ural Division, Russian Academy of Sciences, Sofia Kovalevskaya St., 18, Ekaterinburg 620219, Russian Federation WOS:000225481500016 000225481500016 |
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| Язык |
en
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| Права |
Restricted accedd (info:eu-repo/semantics/restrictedAccess)
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| Формат |
text/html
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| Охват |
RSVPU
SCOPUS |
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| Издатель |
AIP Publishing
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| Источник |
Low Temperature Physics
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